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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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HU850 / GROM usersViews : 611 Replies : 6Users Viewing This Thread : |
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Jun 28th, 2017, 19:10 | #1 |
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HU850 / GROM users
i've been told by grom that if i want my grom usb3 to remember preset stations with the DAB add-on it needs a permanent power connection from the hu850 head unit.
i don't remember there being one and the hu850 only works when the ignition is on. is there a permanent power feed to the headunit (as grom say) so that the hu850 presets don't get lost when the ignition is off? thanks |
Jun 28th, 2017, 21:34 | #2 | |
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Jun 28th, 2017, 21:37 | #3 |
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thanks for the reply
it came with a kind of vampire connector that tapped off the power connector going into to the HU850 - don't think its a permanent one or is it? the headunit needs the ignition turned on 1 click/turn to work |
Jun 28th, 2017, 21:37 | #4 |
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It has both permanent and ignition switched feeds but you'll have to figure which is which. Be warned though that if you turn the ignition on with the climate control panel disconnected you will trigger a fault message on the DIM. This is a standard ISO adapter I had fitted for an aftermarket headunit in place of 850 and it took the necessary connections from the vehicle connector.
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Jun 28th, 2017, 21:39 | #5 | |
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as long as i don't disconnect anything i should be ok shouldn't i? |
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Jun 28th, 2017, 21:44 | #6 |
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anyone have an electrical diagram for the connectors going into the hu850?
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Jun 28th, 2017, 21:44 | #7 |
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Best bet is remove the whole lot with ignition off, reconnect the lower plug to the CC before switching on ignition, test the pins on the HU connector to see what does what and then you should be ok.
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